The following PDF contains four references where the IBM Cognos product was used to help Healthcare customers.
Mercury Medical is a healthcare manufacturer that improves reporting and analysis with IBM Cognos Express:
This link does a lengthy description of why one should use Dashboards to display healthcare data. The PDF is mostly text but it has some small screen shots on page 9:
Finally, this is a generic Marketing flyer that describes the value proposition of Cognos applied to Healthcare as well as the Smarter Planet initiative:
The following link has more descriptions about case studies on using business intelligence in healthcare.